/Engine/Source/Runtime/Engine/Public/Animation/AnimInstanceProxy.h
Sets up a native state entry delegate from state with StateName, in the state machine with name MachineName.
void AddNativeStateEntryBinding ( const [FName](API\Runtime\Core\UObject\FName) & MachineName, const [FName](API\Runtime\Core\UObject\FName) & StateName, const FOnGraphStateChanged & NativeEnteredDelegate, const [FName](API\Runtime\Core\UObject\FName) & BindingName )